Jahr  MPECS Discovery Observations
1993      0         0            0
1994      0         0            0
1995      0         0            0
1996      0         0            0
1997      1         0            4
1998      1         0            5
1999      9         1           67
2000      0         0            0
2001     10         2           89
2002      2         0           12
2003      0         0            0
2004      0         0            0
2005      0         0            0
2006      4         0           30
2007      5         0           55
2008     29         0          280
2009      4         0           48
2010      1         0            8
2011      0         0            0
2012      0         0            0
2013      0         0            0
2014      0         0            0
2015      0         0            0
2016      0         0            0
2017      0         0            0
2018      0         0            0
2019      0         0            0
2020      0         0            0
2021      0         0            0
2022      0         0            0